“These headphones have a nice open soundstage for an earbud headphone and are relatively comfortable to wear. The sound does seem to "settle" and refine somewhat after some time of burning in. They sound quite natural and relaxed especially at lower volumes but turn up the volume and these bad boys come alive. I find the slightly flat sound at lower volume levels does pay off at higher listening...” --pete4sound

“Custom art pro330v2 review
During the rapid growth of the portable audio industry, Poland has been the new rising star in this industry, with famous brands like spiral ears, lime ears etc. custom art is one the newest competitor into the industry, but please do not be fool by this ‘new entry’ company, peter/Piotr as the man behind this has a great amount of experience before hand, as a review ...” --terry11091991